12758434120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2647}}^1\times {\mathrm{2939}}^1$

素因数の和:5638

約数の個数: 64

約数和(自身を含む): 29427753600

約数和(自身を除く): 16669319480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2647, 2939, 5294, 5878, 10588, 11756, 13235, 14695, 21176, 23512, 26470, 29390, 52940, 58780, 105880, 108527, 117560, 120499, 217054, 240998, 434108, 481996, 542635, 602495, 868216, 963992, 1085270, 1204990, 2170540, 2409980, 4341080, 4819960, 7779533, 15559066, 31118132, 38897665, 62236264, 77795330, 155590660, 311181320, 318960853, 637921706, 1275843412, 1594804265, 2551686824, 3189608530, 6379217060, 12758434120]

約数ペア:

[(1, 12758434120), (2, 6379217060), (4, 3189608530), (5, 2551686824), (8, 1594804265), (10, 1275843412), (20, 637921706), (40, 318960853), (41, 311181320), (82, 155590660), (164, 77795330), (205, 62236264), (328, 38897665), (410, 31118132), (820, 15559066), (1640, 7779533), (2647, 4819960), (2939, 4341080), (5294, 2409980), (5878, 2170540), (10588, 1204990), (11756, 1085270), (13235, 963992), (14695, 868216), (21176, 602495), (23512, 542635), (26470, 481996), (29390, 434108), (52940, 240998), (58780, 217054), (105880, 120499), (108527, 117560)]